The pair infamously blew off tradition last series and got hitched in Las Vegas, but the disappointment of their families led to Penny calling a truce and promising a big family do wedding blessing. Perhaps if she’d spent her time watching television sitcoms, she would have stood her ground on this one.

The Big Bang Theory executive producer Steve Molaro dropped a few hints over what to expect from the family drama-fuelled episode to EW: “As we know, [Penny’s] brother Randall has been a bit of trouble over the years, selling drugs and being in and out of jail, and that’s put a lot of stress on her mom.

“You will pick up on the tensions between her mother and her brother very quickly, and you get a glimpse of Penny and her dad being caught in the middle of that.”